*{
    margin:0 auto;
    padding: 0px;
}
.box{
    width: 100%;
    height: 770px;
    background-image: url("../images/597157c657dea.jpg");
    float: left;
}
.littlebox{
    width: 300px;
    height: 290px;
    margin-top: 250px;
    margin-right: 140px;
    background-color: rgba(0, 0, 255, 0.1);
}
.littlebox h3{
    text-align: center;
}
.littlebox p{
    font-size: 21px;
}
.one{
    text-align: center;
    margin-top: 40px;
}
.two{
    text-align: center;
    margin-top: 30px;
}
.a{
    border: none;
    background-color:rgba(21, 13, 21, 0.31);
    height: 23px;
}
.b{
    border: none;
    background-color: rgba(21, 13, 21, 0.31);
    height: 23px;
}
.denglu{
    border-color:rgba(21, 13, 21, 0.31);
    width: 50px;
    height: 40px;
    margin-left: 130px;
    margin-top: 30px;
    background-color: gainsboro;
}
.denglu:hover{
    cursor: pointer;
    color: #31c27c;
    background-color: rgba(21, 13, 21, 0.31);
}
.c{
    font-size: 13px!important;
    float: left;
    margin-top: 40px;
    color: #31c27c;
}
.d{
    float: right;
    font-size: 13px!important;
    margin-top: 40px;
}
.d a:hover{
    color: #31c27c !important;
}
.d a{
    text-decoration: none;
    color: black;
}
.e{
    font-size: 13px!important;
    float: right;
    margin-top: 40px;
    margin-right: 10px;
}
.e a:hover{
    color:#31c27c!important;
}
.e a{
    text-decoration: none;
    color: black;
}
